RAM® Rail Clamp Ball Base for 1.25″ – 1.875″ Rails


Clamping base ideal for posts from 1.25″ to 1.875″ in diameter
Included C size 1.5″ RAM® rubber ball allows for connection to any C size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
Backed by a lifetime warranty

SKU: RAM-271U-12 Category:


The RAM-271U-12, round pipe base, consists of a 1.5″ rubber ball connected that will connect to a pipe tubing diameter from 1.25″ to 1.875″ in diameter.

Additional information

Weight 047 kg
Ball/Socket Size

Clamp Range

Diameter Range

Hardware Included

, ,


Packaging Type

Vehicle Type


Weight Capacity